<template>
  <div>
    <HomeHeader></HomeHeader>
    <HomeSwiper :list="swiperList"></HomeSwiper>
    <HomeIcons :list="iconList"></HomeIcons>
    <HomeRecommend :list="recommendList"></HomeRecommend>
    <HomeWeekend :list="weekendList"></HomeWeekend>
  </div>
</template>

<script>
import HomeHeader from "./components/Header";
import HomeSwiper from "./components/Swiper.vue";
import HomeIcons from "./components/icons.vue";
import HomeRecommend from "./components/Recommend.vue";
import HomeWeekend from "./components/Weekend.vue";
import axios from "axios";
import { mapState } from "vuex";

export default {
  name: "Home",
  components: {
    HomeHeader,
    HomeSwiper,
    HomeIcons,
    HomeRecommend,
    HomeWeekend,
  },
  data() {
    return {
      lastCity: '',
      swiperList: [],
      iconList: [],
      recommendList: [],
      weekendList: [],
    };
  },
  computed: {
    ...mapState(['city']),
  },
  methods: {
    getHomeInfo() {
      //通过webpack打包工具，在index.js中配置proxyTable,当项目寻找api路径时，会自动替换为/static/mock/
      axios.get('/api/index.json?city=' + this.city).then(this.getHomeInfoSucc);
    },
    getHomeInfoSucc(res) {
      res = res.data;
      if (res.ret && res.data) {
        const data = res.data;
        // this.city = data.city
        this.swiperList = data.swiperList;
        this.iconList = data.iconList;
        this.recommendList = data.recommendList;
        this.weekendList = data.weekendList;
      }
    },
  },
  mounted() {
    this.lastCity = this.city
    this.getHomeInfo();
  },
  activated(){
    //当此次选择的城市和之前的城市不同时，重新发送ajax请求数据，并将lastCity更新
    if(this.lastCity !== this.city){
     this.lastCity = this.city
     this.getHomeInfo()
    }
  }
};
</script>

<style>
</style>